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208 ICX (International) issued October 2000 ICX-50-700
Chapter 5. Key Telephone Features Section 700 - Operation
Considerations
• You can press the ON/OFF key to get intercom dial tone.
MCO Trunk Access
The System supports up to 5 MCO groups for each MCO tenant group. You can seize an idle trunk
from the MCO trunk group by entering the MCO access code.
Operation
To seize an idle trunk:
Hardware Requirements
•N/A
Considerations
• The System supports up to 576 outside lines in a six-CCU configuration. These lines can be
divided into 99 different trunk groups.
• Each trunk group can support up to 50 outside lines.
• Each MCO Tenant Group can have up to 5 MCO trunk access codes. System defaults for MCO
trunk access codes are displayed in the following table.
• MCO1 can have up to 5 trunk groups assigned by the Advanced Trunk Group feature.
• MCO1 access code is used for Automatic Route Selection (ARS) access code.
Table 20. MCO Trunk Access Codes
Action Result
1. Lift the handset or press the ON/OFF key. Intercom dial tone
2. Enter the Trunk Access Number (default = 9 [UK/HK, 0
[Taiwan, Malaysia, Indonesia], or 81-84). (See Table 20.)
• Outside dial tone
• CO XXX displays (where XXX = trunk
number)
3. Dial the phone number. Dialled phone number displays
MCO Group Trunk Access Code
MCO1 9 (UK/HK) or 0 (Taiwan,
Malaysia, Indonesia)
MCO2 81
MCO3 82
MCO4 83
MCO5 84